[1] [CITE[RDF Interfaces]]
( ([TIME[2012-06-21 11:52:59 +09:00]] 版))
<http://www.w3.org/2010/02/rdfa/sources/rdf-interfaces/Overview-src.html>

[2] [CITE[RDF Interfaces 1.0]]
( ([TIME[2011-05-10 03:34:16 +09:00]] 版))
<http://www.w3.org/TR/2011/WD-rdf-interfaces-20110510/>

[3] [CITE[RDF Interfaces]]
( ([TIME[2012-07-06 04:13:21 +09:00]] 版))
<http://www.w3.org/TR/2012/NOTE-rdf-interfaces-20120705/>